Clock motors are exactly what control the performance of wrist watches. Clock motors, or activities (as they are called in the profession), track the variety of emitted pulses from a quartz crystal, and also hence derive how much to revolve all the hands. Provided the number of functions that occur in clocks, both regular and exotic, these gadgets could in some cases be rather distinctive. Early clock motors were purely mechanical devices. Rotational torque related to the main equipment was obtained from a dangling weight or a firmly coiled springtime, as well as the moment-to-moment switching was limited through use an escapement mechanism. A swinging pendulum could be gotten used to tweak the ticking frequency.